PROCEEDINGS OF THE OHIO STATE ACADEMY OF SCIENCE 



Annual Report 



of the 



Ohio State 

 Academy of Science 



Twenty-First Meeting 



1911 



Organized 1891 — Incorporated 1892 



PUBLICATION COMMITTEE 

 J. C. Hambleton E. L. Rice C G. Shatzer 



Date of Publication June 1912 



Published by the Academy 

 Columbus, Ohio 



^^14-^0 



